Cheltenham, 1991. When Eva Patterson returns home from work one day, a devastating scene awaits her. Her mother, Flora, lies dead in the bath. Beside her is a note saying only: 'Forgive Me'. Until then, Eva always believed her family's life would be comfortable and secure - but Flora's suicide changes everything. And when Eva discovers that in her will Flora left her an artist's studio in London, she realises how little she knows about her mother's past.